Sterling Silver, Created Opal, Blue Topaz, and Diamond Drop Earrings Drop earrings featuring created opal teardrops suspended beneath small diamond rounds and faceted blue topaz post with friction-back closures gemstones may have been treated to improve their appearance or durability and may require special care. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Great for everyday wear. Imported